A circulatory system (sometimes cardiovascular system) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis).
There are three types of circulatory systems (from simplest to most complex): no circulatory system, open circulatory system, and closed circulatory system.
For more information about the topic Circulatory system, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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